<template>
  <a-layout>
    <a-layout-content
      :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <p>
        <a-form layout="inline" :model="param">
          <a-form-item>
            <a-button type="primary" @click="add()">
              新增
            </a-button>
          </a-form-item>
        </a-form>


      </p>

      <a-table
        :columns="columns"
        :row-key="record => record.id"
        :data-source="level1"
        :loading="loading"
        :pagination="false"
      >

        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" />
        </template>

        <template v-slot:action="{ text, record }">
          <a-space size="small">

              <a-button type="primary" @click="edit(record)">
                编辑
              </a-button>
            <a-popconfirm
                title="删除后不可恢复。确认删除?"
                ok-text="是"
                cancel-text="否"
                @confirm="handleDelete(record.id)"
            >
              <a-button type="danger" >
                删除
              </a-button>
            </a-popconfirm>

          </a-space>
        </template>

      </a-table>

    </a-layout-content>
  </a-layout>

  <a-modal
      title="分类表单"
      v-model:visible="modalVisible"
      :confirm-loading="modalLoading"
      @ok="handleModalOk"
  >
    <a-form :model="category" :label-col="{span : 6}" :wrapper-col="{span : 18}">
      <a-form-item label="名称">
        <a-input v-model:value="category.name" />
      </a-form-item>
      <a-form-item label="父分类">
        <a-select
            v-model:value="category.parent"
            ref="select"
        >
          <a-select-option value="0">
            无
          </a-select-option>
          <a-select-option v-for="c in level1" :key="c.id" :value="c.id" :disabled="category.id === c.id">
            {{c.name}}
          </a-select-option>

        </a-select>

      </a-form-item>
      <a-form-item label="顺序">
        <a-input v-model:value="category.sort" />
      </a-form-item>

    </a-form>

  </a-modal>

</template>

<script lang="ts">
  import { defineComponent, onMounted, ref } from 'vue';
  import axios from 'axios';
  import {message} from "ant-design-vue";
  import {Tool} from "../../../util/tool";


  export default defineComponent({
    name: 'AdminCategory',
    setup: function () {
      const param = ref();
      param.value = {};
      const categorys = ref();
      const loading = ref(false);

      const columns = [
        {
          title: '名称',
          dataIndex: 'name'
        },
        {
          title: '父分类',
          key:'parent',
          dataIndex: 'parent',
        },
        {
          title: '顺序',
          dataIndex: 'sort',
        },
        {
          title: 'Action',
          key: 'action',
          slots: {customRender: 'action'}
        }


      ];

      // [{
      //   id: "",
      //   name:"",
      //   children[{
      //     id: "",
      //     name:"",
      //   }]
      // }]
      const level1 =ref(); //一级分类树，children属于二级分类树

      /**
       * 数据查询
       **/
      const handleQuery = () => {
        loading.value = true;

        axios.get("/category/all").then((response) => {
          loading.value = false;
          const data = response.data;
          if (data.success){
            categorys.value = data.content;
            console.log("原始数据：",categorys.value);

            level1.value=[];
            level1.value=Tool.array2Tree(categorys.value,0);
            console.log("树型结构：",level1.value);

          }else{
            message.error(data.message)
          }
        })
      };



      //-------表单--------------
      const category =ref({});
      const modalVisible = ref(false);
      const modalLoading = ref(false);

      const handleModalOk = () => {
        modalLoading.value = false;
        axios.post("/category/save", category.value).then((response) => {
          modalLoading.value = false;
          const data = response.data;
          if(data.success){
            modalVisible.value = false;
            //重新加载页面
            handleQuery();
          }else {
            message.error(data.message);
          }


        })



      };

      /*
        编辑
       */
      const edit = (record :any) => {
        modalVisible.value = true;
        category.value = record;
      };

      /*
        新增
       */
      const add = () => {
        modalVisible.value = true;
        category.value = {};
      };

      /*
        删除
       */
      const handleDelete = (id: number) => {
        axios.delete("/category/delete/"+id).then((response) => {
          const data = response.data;
          if(data.success){
            //重新加载页面
            handleQuery();
          }
        })
      }


      onMounted(() => {
        handleQuery();
      });


      return {
        param,
        // categorys,
        level1,
        columns,
        loading,
        handleQuery,

        edit,
        add,


        category,
        modalVisible,
        modalLoading,
        handleModalOk,


        handleDelete,
      }
    }
  });
</script>

<style scoped>
  img {
    width: 50px;
    height: 50px;
  }
</style>
